利用VB实现软件下载，类似于通过HTtp方式下载文件，你可指定输入下载网站的网址，注意网址URL不能为空，请确保网址可以打开，否则程序可能会假死。程序依赖于shdocvw.dll组件。-Using VB software to download, similar to the way through the HTtp to download the file, you can specify the input Download Web site, pay attention to site URL cannot be empty, please make sure that the web site can be opened, otherwise the program may feign death. The program relies on shdocvw.dll component.